Georgia International Horse Park

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Olympic Pedigree: Dutch racer Bart Brentjens won a gold on the Atlanta track, site of the Olympics’ first-ever mountain biking competition.

Be an Olympian: North America’s only Olympic mountain biking course has eight trails and more than 1,000 feet of elevation. Ride year-round or start training for the Dirty Spokes Mountain Bike Race (dirtyspokes.com)—open to beginner and expert riders—to be held this October ($5 trail fee + $60 event registration).